Portland Maine and Casco Bay Marine Weather
Marine Forecast
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TODAY S winds 10 to 15 kt with gusts up to 20 kt, becoming SE 15 to 20 kt this afternoon. Seas 2 to 3 ft. A slight chance of showers and tstms late.
TONIGHT S winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. A chance of tstms. Showers. Patchy fog after midnight. Vsby 1 to 3 NM, decreasing to 1 NM or less after midnight.
WED S winds 10 to 15 kt, increasing to 15 to 20 kt in the afternoon. Seas 2 to 4 ft. A chance of showers in the morning. Patchy fog in the morning with vsby 1 to 3 NM.
WED NIGHT SW winds 10 to 15 kt with gusts up to 20 kt, becoming W 5 to 10 kt after midnight. Seas 2 to 4 ft.
THU W winds 5 to 10 kt, becoming SW in the afternoon. Seas 2 to 4 ft.
THU NIGHT SW winds 5 to 10 kt, becoming W after midnight. Seas 2 to 4 ft.
FRI W winds around 5 kt, becoming S in the afternoon. Seas 2 to 3 ft.
FRI NIGHT S winds 5 to 10 kt, becoming SW after midnight. Seas 2 to 3 ft.
SAT SE winds around 5 kt, becoming S in the afternoon. Seas around 2 ft.
SAT NIGHT S winds 5 to 10 kt, becoming SW after midnight. Seas 2 to 3 ft. Winds and seas higher in and near tstms.
TONIGHT S winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. A chance of tstms. Showers. Patchy fog after midnight. Vsby 1 to 3 NM, decreasing to 1 NM or less after midnight.
WED S winds 10 to 15 kt, increasing to 15 to 20 kt in the afternoon. Seas 2 to 4 ft. A chance of showers in the morning. Patchy fog in the morning with vsby 1 to 3 NM.
WED NIGHT SW winds 10 to 15 kt with gusts up to 20 kt, becoming W 5 to 10 kt after midnight. Seas 2 to 4 ft.
THU W winds 5 to 10 kt, becoming SW in the afternoon. Seas 2 to 4 ft.
THU NIGHT SW winds 5 to 10 kt, becoming W after midnight. Seas 2 to 4 ft.
FRI W winds around 5 kt, becoming S in the afternoon. Seas 2 to 3 ft.
FRI NIGHT S winds 5 to 10 kt, becoming SW after midnight. Seas 2 to 3 ft.
SAT SE winds around 5 kt, becoming S in the afternoon. Seas around 2 ft.
SAT NIGHT S winds 5 to 10 kt, becoming SW after midnight. Seas 2 to 3 ft. Winds and seas higher in and near tstms.
Portland Maine and Casco Bay Nautical Charts
NOAA nautical charts for Portland Maine and Casco Bay in the Wind and Tides app
Weather
View allOvernight
59°F
Partly Cloudy
5 mph S
Tuesday
70°F
Mostly Cloudy then Slight Chance Showers And Thunderstorms
5 to 20 mph S
Tuesday Night
62°F
Showers And Thunderstorms
15 mph S
Wednesday
76°F
Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms
10 to 15 mph S
Tides & Currents
View all| Time | Event | Height/Speed |
|---|---|---|
| Tue, Jul 21 12:12 AM | slack | slack |
| Tue, Jul 21 2:22 AM | flood | 0.5 kts |
| Tue, Jul 21 5:15 AM | high | 8.9 ft |
| Tue, Jul 21 5:34 AM | slack | slack |
| Tue, Jul 21 8:37 AM | ebb | 0.9 kts |
| Tue, Jul 21 11:20 AM | low | 0.9 ft |
| Tue, Jul 21 12:27 PM | slack | slack |
| Tue, Jul 21 2:39 PM | flood | 0.5 kts |
| Tue, Jul 21 5:41 PM | high | 9.5 ft |
| Tue, Jul 21 5:56 PM | slack | slack |
| Tue, Jul 21 9:09 PM | ebb | 0.9 kts |